Ethyl 5-fluoro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxylate
Ethyl 3-cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetate
Methyl 5-fluoro-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-fluoro-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetate